<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>prev ~ siblings选择器的示例</title>
<style type="text/css">
	.background{background:#cef}
	body{font-size:12px;}
</style>

<script type="text/javascript" src="../js/jquery-3.3.1.min.js"></script>
<script type="text/javascript">
	$(document).ready(function() {
		$("div~p").addClass("background");
	});
</script>
</head>
<body>
<div>
    <p>第一个p</p>
    <p>第二个p</p>
</div>
<p>div外面的p</p>
</body>
</html>
